DVD Runtime Incorrect

[WoundedVeins]

I decrypt the DVD files onto my compute in IFO mode and into one single VOB file, no splitting.

I then noticed that whenever I add them to the list of VOB / MPG files to be burnt onto my DVD+RW disc it is saying the incorrect runtime. Some say 1 hour 1 min, some say only a few minutes, anyone know what would cause this?

[ppera2]

What burner?

I didn't see burning program capable to 'read' runtime from VOB/IFO files.

[WoundedVeins]

I use cyberlink power producer gold 2 and Roxio Easy CD & DVD Creator 6 platinum.

No matter though as only the roxio one is coming up wrong now.